Metal-Free Dehydrogenation of Amine-Boranes by Tunable N-Heterocyclic Iminoboranes.
Metal-Free Dehydrogenation of Amine-Boranes by Tunable N-Heterocyclic Iminoboranes.
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DOI：
10.1002/chem.201503528
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发表时间：
2016-02
期刊：
影响因子：
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通讯作者：
M. Lui;Nathan R. Paisley;R. McDonald;Michael J. Ferguson;E. Rivard
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文献类型：
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作者：
M. Lui;Nathan R. Paisley;R. McDonald;Michael J. Ferguson;E. Rivard
We report the synthesis of structurally tunable boron complexes supported by N-heterocyclic imine ligands IPr=N-BR2 (IPr=[(HCNDipp)2 C], Dipp=2,6-iPr2 C6 H3 , R=Cl and/or Ph) that have the ability to abstract dihydrogen from amine-boranes, and instigate their dehydrocoupling. In one instance, mild heating of the hydrogen addition product IPr=NH-B(Ph)HCl releases H2 to regenerate the starting N-heterocyclic iminoborane; accordingly IPr=N-B(Ph)Cl can be used as a metal-free catalyst to promote the dehydrocoupling of MeNH2 ⋅BH3 to yield N-methylaminoborane oligomers [MeNH-BH2 ]x .
